attention, attentive, attentiveness

Attentive describes a person who is caring, helpful or watchful.

• Monique’s neighbours were very attentive after her debilitating accident.
• Attentive teachers know when their students are having problems.

Attentiveness is the noun form.

• The innkeeper’s attentiveness to his guests’ comfort was much appreciated.

Attention indicates interest, care or concentration.

• Thank you for your attention to this matter.
• Listening to the radio while I work interferes with my attention to detail.
• The medication is affecting Juan’s attention span.